/**
 * Licensed to Apereo under one or more contributor license
 * agreements. See the NOTICE file distributed with this work
 * for additional information regarding copyright ownership.
 * Apereo licenses this file to you under the Apache License,
 * Version 2.0 (the "License"); you may not use this file
 * except in compliance with the License.  You may obtain a
 * copy of the License at the following location:
 *
 *   http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing,
 * software distributed under the License is distributed on an
 * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
 * KIND, either express or implied.  See the License for the
 * specific language governing permissions and limitations
 * under the License.
 */
package org.jasig.cas.client.validation;

import java.beans.PropertyEditorSupport;
import java.io.BufferedReader;
import java.io.IOException;
import java.io.StringReader;
import java.util.ArrayList;
import java.util.List;
import org.jasig.cas.client.util.CommonUtils;

/**
 * Convert a String-formatted list of acceptable proxies to an array.
 * 
 * @author Scott Battaglia
 * @version $Revision$ $Date$
 * @since 3.1
 * 
 */
public final class ProxyListEditor extends PropertyEditorSupport {

    @Override
    public void setAsText(final String text) throws IllegalArgumentException {
        final BufferedReader reader = new BufferedReader(new StringReader(text));
        final List<String[]> proxyChains = new ArrayList<String[]>();

        try {
            String line;
            while ((line = reader.readLine()) != null) {
                if (CommonUtils.isNotBlank(line)) {
                    proxyChains.add(line.trim().split(" "));
                }
            }
        } catch (final IOException e) {
            // ignore this
        } finally {
            try {
                reader.close();
            } catch (final IOException e) {
                // nothing to do
            }
        }

        setValue(new ProxyList(proxyChains));
    }
}
